Scales for Soap Making

by Diane
(Cutler Bay, FL)

I have a very good, accurate digital postal scale but it will only weigh up to 10 pounds. Would I be able to use it? I would hate to have to buy another digital scale.


Thank you.

Diane L.

Answer:

As long as the scale is accurate to the gram or 1/10 of an ounce, depending on what measurement you use, your scale should be just fine.

You would only need a really big scale if you where going to make very large soap batches.

All of my recipes are around 900 grams in total oil weight so lots of room there.

Cathy

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Scale Accuracy v Recipe Measures
by: Christine (UK)

I would like to try this 'test recipe' by Susan Miller Cavitch but get confused when I see recipes like the one below, as my scales measure to the nearest gram.

What type of scale would I need to get the following measures?


16.8 g sodium hydroxide
45.4 g distilled water
42.2 g olive oil
36.2 g coconut oil
42.2 g palm oil

My 2nd question is, can I round up/down to the gram? (i.e)

olive oil 42.2 g = 42 g

or

olive oil 42.5 g = 43 g

My 3rd question is would you always round the lye down at all times to avoid the soap becoming too lye heavy?

4th Q: What about the water? Which way would you go here?


Thank you for your help

Answer:

I ran the recipe through SoapCalc and you can round up the lye to 17 grams...this will give you a 5% superfat. The water is fine at 45 grams and the rest of the ingredients you can round down to 42, 36, and 42.

Cathy



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Question
by: Sri

Q1. I have added a gram more than the soap calc figures. Does this harm?

Q2. As i used more % of coconut oil, the cleansing measure of the soap is at 29. Can this soap be used or it needs to be discarded?

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